<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../resct18/react.development.js"></script>
    <script src="../resct18/react-dom.development.js"></script>
    <script src="../resct18/babel.min.js"></script>
    <style>
        .box{
            width: 400px;
            height: 400px;
            background-color: blue;
        }
    </style>
</head>
<body>
    <div id="app"></div>

    <script type="text/babel">
        // const VDOM=<div>hello</div>
        const VDOM=(<div className='box'>hello
            <h1>hello</h1>
            </div>)


        ReactDOM.createRoot(document.getElementById('app')).render(VDOM)
    </script>
    
</body>
</html>